| Good Air Quality |
0-1 |
< 20 μg/m3 |
< 10 μg/m3 |
Air quality is considered satisfactory, and air pollution poses little or no risk |
| FairAQ |
1-2 |
< 40 μg/m3 |
< 20 μg/m3 |
Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution. |
| Moderate Air Quality |
2-3 |
< 50 μg/m3 |
< 25 μg/m3 |
Members of sensitive groups may experience health effects. The general public is not likely to be affected. |
| PoorAQ |
3-4 |
< 100 μg/m3 |
< 50 μg/m3 |
Everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects. |
| VeryPoorAQ |
4-5 |
< 150 μg/m3 |
< 75 μg/m3 |
Health alert: everyone may experience more serious health effects |
| ExtremelyPoorAQ |
> 5 |
> 150 μg/m3 |
> 75 μg/m3 |
Health warnings of emergency conditions. The entire population is more likely to be affected |
| More information: EEA Air Quality Index Davis sensor Sensor data captured at: 29-04-2024 17:30 Temperature: 71.2°F Humidity: 40.9% Dewpoint: 46.2°F |